Passive Components

A passive component is a module that does not require energy to operate, except for the available alternating current (AC) circuit that it is connected to. A passive module is not capable of power gain and is not a source of energy. A typical passive component would be: resistors, inductors, capacitors and transformers which together are required to build any electrical or electronic circuit.

Passive devices can be used individually or connected together within a circuit, either in a series or in a parallel combination to control complex circuits or signals.

Types of Passive Components

  • Capacitors

A capacitor is a component that can gather and hold a charge in a way that is similar to how a battery functions. The capacitor is made of 2 close conductors (usually plates) that are separated by a dielectric material. The plates accumulate electric charge when connected to power source. One plate accumulates positive charge and the other plate accumulates negative charge. It can hold the charge even when the voltage is no longer applied. Different types of capacitors are film capacitors, mica capacitors, ceramic capacitors, electrolytic capacitors, aluminium electrolytic capacitors, tantalum electrolytic capacitors and power factor correction capacitors

  • Resistors

A Resistor is an electrical device that resists the flow of electrical current. Although a resistor does not amplify or shape the electric current in any way its a powerful little device as it enables you to put the brakes on current flow in a very controlled way

  • Inductors

An inductor is a passive device that can store or deliver energy but cannot generate it. An ideal inductor is lossless, meaning that it can store energy indefinitely as no energy is lost as heat. Inductors are sometimes known as coils, chokes, electromagnets and solenoids

  • Ferrite Cores

A ferrite core is a ceramic compound that includes a mix of iron and another type of metal. Ferrite is common in many types of electrical components, including antennas. This magnetic core features wound components, such as windings from a transformer and inductors. It is useful because it offers low electrical conductivity along with high magnetic permeability.

  • Surge Protection Components

Surge protectors are a part of nearly every home and office today. They provide your expensive electronic devices with added protection against surges of electricity, which would ultimately destroy them.

Antennas
Antennas
Capacitors
Capacitors
Crystals, Oscillators & Resonators
Crystals, Oscillators & Resonators
EMI Filters & Protection
EMI Filters & Protection
Fixed Resistors
Fixed Resistors
Inductors
Inductors
Passive Components Kits
Passive Components Kits
Rotary Encoders
Rotary Encoders
Sounder, Buzzer & Microphone Components
Sounder, Buzzer & Microphone Components
Surge Protection Components
Surge Protection Components
Variable Resistors
Variable Resistors

154991 Products showing for Passive Components

865 of 999+
Bourns 50Ω Thick Film Resistor 20W ±1% PWR220T-20-50R0F
  • RS Stock No. 796-2497P
  • Mfr. Part No. PWR220T-20-50R0F
Each (Supplied in a Tube)
£3.17
Panasonic 120kΩ, 0402 (1005M) Thick Film SMD Resistor ±1% 0.1W
  • RS Stock No. 228-4582
  • Mfr. Part No. ERJH2RF1203X
Each (On a Tape of 100)
£0.041
EPCOS 4.4 mH Common Mode Choke
  • RS Stock No. 246-9852
  • Mfr. Part No. B82720S2601N040
Each
£1.74
Arcol Ohmite 50W 1Ω Linear Rheostat 7.07A, RJS1R0E
  • RS Stock No. 144-5533
  • Mfr. Part No. RJS1R0E
Each
£137.47
20kΩ, Through Hole Trimmer Potentiometer 0.5W Side Adjust Vishay, 43P
  • RS Stock No. 169-3025
  • Mfr. Part No. M43P203KB40
Each (In a Box of 200)
£2.534
KYOCERA AVX 4.7μF Electrolytic Tantalum Capacitor 10V dc, F98 Series
  • RS Stock No. 136-2648
  • Mfr. Part No. F981A475MMA
Each (In a Bag of 25)
£0.375
Vishay, IHLP-6767DZ-01, 6767 Shielded Wire-wound SMD Inductor with a Metal Composite Core, 330 nH ±20% Shielded 56A Idc
  • RS Stock No. 748-7467
  • Mfr. Part No. IHLP6767DZERR33M01
Each
£1.14
Panasonic 10μF Surface Mount Polymer Capacitor, 50V dc
  • RS Stock No. 103-4745
  • Mfr. Part No. 50SVPF10M
Each (On a Reel of 1000)
£0.462
Panasonic 3300μF Aluminium Electrolytic Capacitor 25V dc, Radial, Through Hole - EEUHD1E332
  • RS Stock No. 744-2050
  • Mfr. Part No. EEUHD1E332
Each (In a Pack of 2)
£1.945
Bourns, DV Varistor 100pF 5A, Clamping 650V, Varistor 390V, 3225
  • RS Stock No. 204-8685
  • Mfr. Part No. DV250K3225R2
Each (In a Pack of 10)
£0.484
CTS, 32.76kHz Clock Oscillator, ±25ppm HCMOS, 4-Pin SMD TC25L5I32K7680
  • RS Stock No. 178-2660
  • Mfr. Part No. TC25L5I32K7680
Each (On a Reel of 100)
£3.471
TE Connectivity 220Ω Metal Oxide Resistor 5W ±5% SQMR5220RJ
  • RS Stock No. 199-7804
  • Mfr. Part No. SQMR5220RJ
Each (In a Pack of 5)
£0.558
Bourns, 1320 Surge Arrester 100 V dc Maximum Voltage Rating 40kA Maximum Surge Current 2 Pole Protector
  • RS Stock No. 785-8187
  • Mfr. Part No. 1320-S-75
Each
£115.38
TE Connectivity CPF 2kΩ, 0603 (1608M) Thin Film SMD Resistor ±0.1% 0.063W
  • RS Stock No. 666-2064
  • Mfr. Part No. CPF0603B2K0E
Each (In a Pack of 5)
£0.222
Panasonic ERA 560Ω, 0603 (1608M) Thin Film SMD Resistor ±0.1% 0.1W
  • RS Stock No. 566-945
  • Mfr. Part No. ERA3AEB561V
Each (In a Pack of 5)
£0.11
KEMET 1μF Multilayer Ceramic Capacitor MLCC, 6.3V dc V, ±10% , SMD
  • RS Stock No. 146-6411
  • Mfr. Part No. C0603C105K9RACTU
Each (On a Reel of 4000)
£0.034
Bourns 220 μH ±10% Ferrite DR Radial Inductor, Max SRF:2.4MHz, Q:20, 700mA Idc, 600mΩ Rdc, RLB
  • RS Stock No. 172-7074
  • Mfr. Part No. RLB0914-221KL
Each (In a Bag of 200)
£0.177
3020805, Shielding Strip of Ni/Cu Layered Metallized Fiber/Polyether Urethane Foam With Tape 1m x 8mm x 5mm
  • RS Stock No. 163-4344
  • Mfr. Part No. 3020805
Each (In a Bag of 100)
£8.635
Vishay PE30 4.7kΩ Rotary Potentiometer 1-Gang Panel Mount, PE30L0FR472KAB
  • RS Stock No. 790-4299
  • Mfr. Part No. PE30L0FR472KAB
Each
£31.18
Vishay MMU 27kΩ, Melf 0102 Thin Film SMD Resistor ±1% 0.2W
  • RS Stock No. 180-3794
  • Mfr. Part No. MMU01020C2702FB300
Each (On a Reel of 500)
£0.054
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